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Deposits (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits
Demand deposits, noninterest-bearing	$ 2,859,492	$ 2,552,039
Interest-bearing transaction deposits	2,312,008	2,263,093
Saving deposits and money market deposits	2,679,879	2,743,369
Time deposits	1,022,468	1,119,348
Total deposits	8,873,847	8,677,849
Brokered saving deposits and money market deposits	2,699	2,251
Brokered time deposits	5,259	5,257
Aggregate amount of time deposits with a minimum denomination of $100,000	502,968	568,735
Aggregate amount of time deposits with a minimum denomination that meets or exceeds the FDIC insurance limit of $250,000	155,401	192,563
Deposits
Total time deposits	1,022,468	1,119,348
Maturities of time deposits
April 1, 2021 - March 31, 2022	704,942
April 1, 2022 - March 31, 2023	175,252
April 1, 2023 - March 31, 2024	98,282
April 1, 2024 - March 31, 2025	29,736
April 1, 2025 - March 31, 2026	14,253
Thereafter	3
Total time deposits	$ 1,022,468	$ 1,119,348

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- Definition

Represents the amount of brokered saving deposits and money market deposits.

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- Definition

The aggregate of saving and money market deposit liabilities held by the entity.

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The aggregate amount of all domestic and foreign interest-bearing transaction deposits liabilities held by the entity.

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Represents the aggregate amount of domestic time deposit liabilities (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $250,000 or more.

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- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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-Name Accounting Standards Codification
-Topic 942
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Amount of time deposits maturing after the fifth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the next rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the fifth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the fourth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the third rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposits maturing in the second rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher SEC
-Name Industry Guide
-Number 3
-Section V
-Paragraph D-E

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